130305226 has 8 divisors (see below), whose sum is σ = 195834564. Its totient is φ = 65027040.

The previous prime is 130305223. The next prime is 130305239. The reversal of 130305226 is 622503031.

It can be written as a sum of positive squares in 2 ways, for example, as 118048225 + 12257001 = 10865^2 + 3501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×130305226² = 33958903845822152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130305197 and 130305206.

It is not an unprimeable number, because it can be changed into a prime (130305223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61485 + ... + 63568.

Almost surely, 2^130305226 is an apocalyptic number.

130305226 is a deficient number, since it is larger than the sum of its proper divisors (65529338).

130305226 is a wasteful number, since it uses less digits than its factorization.

130305226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125576.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 130305226 is about 11415.1314490898. The cubic root of 130305226 is about 506.9758568904.

Adding to 130305226 its reverse (622503031), we get a palindrome (752808257).

The spelling of 130305226 in words is "one hundred thirty million, three hundred five thousand, two hundred twenty-six".